Staff Machine Learning Engineer, Recommendation & AI Platform

We are seeking a Staff Machine Learning Engineer to provide technical leadership for our recommendation systems and AI initiatives. In this role, you will define technical direction for large-scale personalization systems, lead complex projects across teams, and drive the adoption of AI / LLM technologies in both product capabilities and engineering workflows.

Responsibilities

Lead the design of next-generation recommendation system architectures at scale; Drive best practices for model lifecycle management, experimentation, and system reliability; Partner with product, infra, and data teams to align technical strategy with business goals; Own complex initiatives across retrieval, ranking, re-ranking, and multi-objective optimization; Lead the application of LLMs and foundation models in recommendation, content intelligence, and user modeling; Evaluate emerging AI technologies and guide their adoption into production systems; Champion AI-native development practices, including LLM-assisted coding, experimentation, and analysis; Help establish standards and shared tooling for AI-driven engineering; Lead 0–1 AI initiatives, from ideation and technical validation to production rollout and scaling; Ensure successful prototypes evolve into maintainable, scalable platforms

Requirements

8+ years of industry experience building large-scale ML or recommendation systems; Deep expertise in recommendation systems and applied machine learning in production environments; Strong system design skills and the ability to influence architecture across teams; Proven track record of technical leadership and cross-team collaboration

Nice to have

Demonstrated success applying LLMs or foundation models to recommendation or content systems in production; Experience leading 0 → 1 AI platform or product initiatives; Passion for improving engineering velocity through AI-assisted development workflows

Benefits

Health, dental, and vision care for you and your family; Top-tier 401(K) plan with company matching; Paid time off and paid holidays; Paid parental leave; FSA and commuter benefits programs; Team activity budget; Discretionary bonus and options